DTMF Decoder Chip for Answering Machines from Mexico
Integrated circuit that decodes dual-tone multi-frequency signals for remote message control in telephone answering machines of heading 8521. Essential for functions like skipping messages via phone keypad. This specialized IC is under 8522.90.58.80.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide datasheet excerpts showing pinouts matching answering machine boards